Extend compare_metadata

[WenzDaniel]

We should add a fall back method to https://github.com/AxFoundation/strax/blob/5f9051bcb4fb4a8d46e5fd3da21e522959735352/strax/context.py#L1682 which only compares the lineages in case the current data-type is not stored. Currently, we are loading the metadata via:

# new metadata for the given runid + target; fetch from context
 new_metadata = self.get_metadata(run_id, target)

We should as fall back in case data is not stored:

new_lineage = st.key_for(run_id, data-type).linegae

One needs to only cast all tuples into lists or vise-versa or deactivate the type checking as otherwise one cannot compare to metadata files loaded from disk.__